Stockholders' Equity (Tables)
|
12 Months Ended |
Dec. 31, 2020 |
|---|
| Stockholders' equity: |
|
| Schedule of stock options issued by the Company |
|
|
Options
Outstanding |
|
|
Options
Exercisable |
|
|
Range
of
Exercise Prices |
|
|
Weighted-average
Exercise price
per share |
|
|
Intrinsic
Value(1)
(in thousands) |
|
| Outstanding at January 1, 2019 |
|
1,386,396 |
|
|
|
|
|
$ |
1.40 |
|
|
$ |
385.60 |
|
|
$ |
11.09 |
|
|
$ |
11 |
|
| Exercisable at January 1, 2019 |
|
|
|
|
973,498 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
— |
|
| Activity during the year ended December 31, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Granted |
|
256,601 |
|
|
|
|
|
|
1.65 |
|
|
|
4.11 |
|
|
|
3.44 |
|
|
|
349 |
|
| Exercised |
|
(3,025 |
) |
|
|
|
|
|
1.74 |
|
|
|
2.60 |
|
|
|
1.89 |
|
|
|
|
|
| Cancelled or forfeited |
|
(805 |
) |
|
|
|
|
|
2.60 |
|
|
|
385.60 |
|
|
|
95.37 |
|
|
|
|
|
| Outstanding at December 31, 2019 |
|
1,639,167 |
|
|
|
|
|
|
1.40 |
|
|
|
83.60 |
|
|
|
9.87 |
|
|
|
2,892 |
|
| Exercisable at December 31, 2019 |
|
|
|
|
1,293,121 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,245 |
|
| Activity during the year ended December 31, 2020 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Granted |
|
264,268 |
|
|
|
|
|
|
3.24 |
|
|
|
5.85 |
|
|
|
4.34 |
|
|
|
3,052 |
|
| Exercised |
|
(30,958 |
) |
|
|
|
|
|
1.40 |
|
|
|
5.00 |
|
|
|
2.47 |
|
|
|
|
|
| Cancelled or forfeited |
|
(66,385 |
) |
|
|
|
|
|
72.00 |
|
|
|
72.00 |
|
|
|
72.00 |
|
|
|
|
|
| Outstanding at December 31, 2020 |
|
1,806,092 |
|
|
|
|
|
$ |
1.40 |
|
|
$ |
83.40 |
|
|
$ |
7.12 |
|
|
$ |
20,760 |
|
| Exercisable at December 31, 2020 |
|
|
|
|
1,511,938 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
17,287 |
|
| (1) |
Intrinsic value is calculated as the estimated fair value of the Company’s stock at the end of the related period less the option exercise price of in-the-money options. |
|
| Schedule of company's nonvested stock options |
| Nonvested Stock Options |
|
Shares |
|
|
Weighted-Average Per Share Grant Date Fair Value |
|
| Nonvested, January 1, 2019 |
|
|
380,283 |
|
|
$ |
1.21 |
|
| Activity during the year ended December 31, 2019 |
|
|
|
|
|
|
|
|
| Granted |
|
|
256,601 |
|
|
|
1.72 |
|
| Exercised |
|
|
(2,725 |
) |
|
|
0.93 |
|
| Forfeited |
|
|
(580 |
) |
|
|
42.66 |
|
| Vested |
|
|
(287,533 |
) |
|
|
1.35 |
|
| Nonvested, December 31, 2019 |
|
|
346,046 |
|
|
$ |
1.46 |
|
| Activity during the year ended December 31, 2020 |
|
|
|
|
|
|
|
|
| Granted |
|
|
264,268 |
|
|
|
2.22 |
|
| Exercised |
|
|
(30,958 |
) |
|
|
1.23 |
|
| Forfeited |
|
|
(60,830 |
) |
|
|
33.20 |
|
| Vested |
|
|
(224,372 |
) |
|
|
1.50 |
|
| Nonvested, December 31, 2020 |
|
|
294,154 |
|
|
$ |
2.09 |
|
|
| Schedule of share-based compensation expense |
|
Years
Ended December 31, (in
thousands)
|
| 2020 |
|
|
2019 |
|
| $ 1,090 |
|
|
$
799 |
|
|
| Schedule of assumptions used in calculating the fair value under the Black-Scholes option-pricing model |
| |
|
Years
Ended December 31, |
|
| |
|
2020 |
|
|
2019 |
|
| Dividend yield |
|
0% |
|
|
0% |
|
| Expected Volatility |
|
56.05%
- 57.00% |
|
|
52.17%
to 52.90% |
|
| Risk free Interest rates |
|
0.34%
- 0.49% |
|
|
1.39%
to 1.72% |
|
| Expected lives (in years) |
|
5.5 to 6.0 |
|
|
5.5
to 6.0 |
|
|
| Schedule of common stock warrant activity |
| |
|
Shares |
|
|
Weighted
- Average
Exercise
Price |
|
| Outstanding at January 1, 2019 |
|
8,676,481 |
|
|
$ |
4.17 |
|
| Activity during the year ended December 31, 2019 |
|
|
|
|
|
|
|
| Exercised |
|
(2,928,681 |
) |
|
|
2.20 |
|
| Terminated |
|
(215,533 |
) |
|
|
35.32 |
|
| Outstanding at December 31, 2019 |
|
5,532,267 |
|
|
|
4.00 |
|
| Activity during the year ended December 31, 2020 |
|
|
|
|
|
|
|
| Exercised |
|
(2,163,042 |
) |
|
|
2.36 |
|
| Terminated |
|
(286,238 |
) |
|
|
18.31 |
|
| Outstanding at December 31,
2020 |
|
3,082,987 |
|
|
$ |
3.82 |
|
|
| Schedule of information regarding outstanding warrants |
Exercise
Price |
|
|
Number
Outstanding |
|
|
Weighted-Average
Remaining
Contractual Life |
|
|
Intrinsic
Value
(in thousands)(1) |
|
| |
|
|
|
|
|
|
|
|
|
|
| $ |
2.20 |
|
|
|
1,967,750 |
|
|
|
1.42 |
|
|
$ |
26,938 |
|
| |
5.50 |
|
|
|
1,004,955 |
|
|
|
0.67 |
|
|
|
10,441 |
|
| |
16.23 |
|
|
|
80,490 |
|
|
|
2.37 |
|
|
|
— |
|
| $ |
21.10 |
|
|
|
29,792 |
|
|
|
0.25 |
|
|
|
— |
|
| |
|
|
|
|
3,082,987 |
|
|
|
1.19 |
|
|
$ |
37,379 |
|
| (1) |
Intrinsic value is calculated as the estimated fair value of the Company’s stock at December 31, 2020 less the warrant exercise price of in-the-money warrants. |
|